"git config get" returns "error: key does not contain a section: get"

Hello all:

Debian 12/bookworm -- git is already the newest version (1:2.39.5-0+deb12u2). Trying out examples from https://git-scm.com/docs/git-config.html#EXAMPLES

---- $ which git

git is hashed (/usr/bin/git)

----- $ git config get --type=color --default="reset" ""

usage: git config [<options>]

Config file location
    --global              use global config file
    --system              use system config file
    --local               use repository config file
    --worktree            use per-worktree config file
    -f, --file <file>     use given config file
    --blob <blob-id>      read config from given blob object

Action... -----

$ git config get --type=color --default="blue reverse" color.diff.whitespace

usage: git config [<options>]

Config file location
    --global              use global config file
    --system              use system config file
    --local               use repository config file
    --worktree            use per-worktree config file
    -f, --file <file>     use given config file
    --blob <blob-id>      read config from given blob object

Action... ----

$ git config get core.filemode

error: key does not contain a section: get -----

$ git config --global get core.filemode

error: key does not contain a section: get -----

$ git config --local get core.filemode

error: key does not contain a section: get -----

pwd: $HOME cat -n ~/.gitconfig:

     1  [core]
     2          fileMode = true
     3  ###
-----

Can someone explain what's going on?

Thanks.